REEHUT Pull Up Assist Bands - Stretch Band - Mobility & Powerlifting Bands - Strength Fitness Training - Single or Set Reehut stretch bands are meant to meet different fitness needs. They are suitable for types of trainings such as strength, isometric, resistance, yoga, flexibility, pull up assistance. Red (10-35 LBS), Black (25-65 LBS), Purple (35-85 LBS), Green (50-125 LBS) , Blue (65-175 LBS). Made of 100% natural latex. Good elasticity, improve the safety and comfort of sports, no harm to your skin. Perfect for Cross fitters leading pull-up, chin ups, ring dips, muscle ups, physical therapy, rehabilitation, stretching, strength training, powerlifting, etc. Multiple combinations, you can choose more bands to help you different training. Portable and lightweight. You can enjoy the burn fat at home, the gym or when traveling.